/* Global header/footer styles */
.site-header,
.site-footer {
    --hf-white: #ffffff;
    --hf-muted: #8ba3b8;
    --hf-bg-dark: #07101f;
    --hf-bg-footer: #040c17;
    --hf-accent: #2468cc;
    --hf-accent-2: #1a52aa;
    --hf-accent-3: #1245a8;
    --hf-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --hf-font-head: 'Ubuntu', sans-serif;
    --hf-font-cond: 'Ubuntu Condensed', 'Ubuntu', sans-serif;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.75rem 0;
    transition: background var(--hf-transition), backdrop-filter var(--hf-transition), box-shadow var(--hf-transition);
}

.site-header.scrolled,
.site-header.sticky {
    background: rgba(7, 16, 31, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

body.admin-bar .site-header {
    top: 32px;
}

.header-inner {
    max-width: 1620px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.logo-img {
    height: 82px;
    width: auto;
    object-fit: contain;
}

.main-nav {
    display: flex;
    gap: 1.75rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.main-nav a {
    font-family: var(--hf-font-head);
    font-weight: 700;
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    transition: color var(--hf-transition);
    padding: 0.25rem 0;
    position: relative;
    text-decoration: none;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    right: 100%;
    height: 2px;
    background: linear-gradient(135deg, var(--hf-accent) 0%, var(--hf-accent-2) 100%);
    border-radius: 2px;
    transition: right var(--hf-transition);
}

.main-nav a:hover {
    color: var(--hf-white);
}

.main-nav a:hover::after {
    right: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    margin-left: auto;
}

.header-phone {
    font-family: var(--hf-font-head);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    color: var(--hf-muted);
    transition: color var(--hf-transition);
    text-decoration: none;
}

.header-phone:hover {
    color: var(--hf-white);
}

.site-header .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--hf-font-head);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.site-header .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 50%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    transform: skewX(-20deg);
    transition: left 0.55s ease;
    pointer-events: none;
}

.site-header .btn:hover::before {
    left: 135%;
}

.site-header .btn-sm {
    padding: 0.5rem 1.4rem;
    font-size: 0.82rem;
}

.site-header .btn-blue {
    background: linear-gradient(135deg, #3d8ef5 0%, var(--hf-accent) 50%, var(--hf-accent-3) 100%);
    color: var(--hf-white);
    border: none;
    box-shadow: 0 4px 22px rgba(36, 104, 204, 0.55);
}

.site-header .btn-blue:hover {
    background: linear-gradient(135deg, #5aa0ff 0%, #2f78e0 50%, var(--hf-accent-2) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 34px rgba(36, 104, 204, 0.7);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--hf-white);
    border-radius: 2px;
    transition: all var(--hf-transition);
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-footer {
    background: var(--hf-bg-footer);
    padding: 4rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.site-footer .container {
    max-width: 1520px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 104px;
    width: fit-content;
    object-fit: contain;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--hf-muted);
    line-height: 1.6;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.footer-col-title {
    font-family: var(--hf-font-cond);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--hf-white);
    margin-bottom: 0.3rem;
}

.footer-col a,
.footer-col span {
    font-size: 0.88rem;
    color: var(--hf-muted);
    transition: color var(--hf-transition), transform var(--hf-transition);
    line-height: 1.5;
    display: inline-block;
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--hf-white);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: rgba(139, 163, 184, 0.45);
    letter-spacing: 0.03em;
    margin: 0;
}

@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    body.admin-bar .site-header {
        top: 46px;
    }

    .header-inner,
    .site-footer .container {
        padding: 0 1rem;
    }

    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(7, 16, 31, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transform: translateX(-100%);
        transition: transform var(--hf-transition);
        z-index: 998;
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .main-nav a {
        font-size: 1.5rem;
        letter-spacing: 0.2em;
    }

    .header-right {
        display: none;
    }

    .hamburger {
        display: flex;
        z-index: 999;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    body.nav-open {
        overflow: hidden;
    }
}